What is "anchor shot"

Grapple \Grap"ple\, n. [See Grapple, v. t., and cf. Crapple.]

1. A seizing or seizure; close hug in contest; the wrestler's hold.
   --Milton.

2. 1. An instrument, usually with hinged claws, for seizing and holding fast to an object; a grab.

   2. (Naut.) A grappling iron.

      The iron hooks and grapples keen.
      --Spenser.

      Grapple plant (Bot.), a South African herb ( Herpagophytum leptocarpum) having the woody fruits armed with long hooked or barbed thorns by which they adhere to cattle, causing intense annoyance.

      Grapple shot (Life-saving Service), a projectile, to which are attached hinged claws to catch in a ship's rigging or to hold in the ground; -- called also anchor shot.